2099218944 has 80 divisors (see below), whose sum is σ = 5671512000. Its totient is φ = 689848320.

The previous prime is 2099218943. The next prime is 2099218963. The reversal of 2099218944 is 4498129902.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 2099218893 and 2099218902.

It is not an unprimeable number, because it can be changed into a prime (2099218943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99432 + ... + 118680.

It is an arithmetic number, because the mean of its divisors is an integer number (70893900).

Almost surely, 2^2099218944 is an apocalyptic number.

2099218944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2099218944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2835756000).

2099218944 is an abundant number, since it is smaller than the sum of its proper divisors (3572293056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2099218944 is an equidigital number, since it uses as much as digits as its factorization.

2099218944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19341 (or 19325 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 2099218944 is about 45817.2341373855. The cubic root of 2099218944 is about 1280.4203827544.

The spelling of 2099218944 in words is "two billion, ninety-nine million, two hundred eighteen thousand, nine hundred forty-four".